Cooling System
02
070
3
RG,RG34710,224 –19–17SEP02–3/5
RG12423 –UN–17SEP02
Fan Drive Exploded View
A—Fan Hub/Pulley C—Snap Ring F—Bearing Housing (Fixed)
1
H—Pipe Plug
B—Grease Seal D—Ball Bearing (2 used) G—Bearing Housing I—Plug
E—Shaft (Adjustable)
Assemble Fan Drive
1. Pack inner and outer bearings (D) with TY6333 or
TY6347 High Temperature Grease. Apply clean
engine oil to bearing ID and shaft OD
2. Support end of shaft (E) and install bearings
against shoulder on each end of shaft. Apply force
to bearing inner race only.
3. Support bearing housing (F or G) on a firm flat
surface with bearing bore in the upward position.
4. Install bearing and shaft assembly into housing
using JDG743A Bearing Driver. Small end of shaft
should extend through housing.
5. Determine proper snap ring (C) thickness needed to
obtain specified end play.
Specification
Fan Drive Shaft—End Play 0.10 mm (0.004 in.).................................
6. Install snap ring in housing groove. Visually inspect
snap ring installation for proper seating in housing
groove.
NOTE: Install grease seal (B) with seal spring toward
engine.
7. Apply a thin coat of clean engine oil to OD of seal
casing (B) and to seal lips. Using a driver that
contacts flat outside case of seal, press seal in
housing bore until metal casing is flush to 0.50 mm
(0.020 in.) below housing face.
1
Bearing housing is cast into camshaft gear access cover.
CTM100 (06APR04)
02-070-3
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=287
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